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plz find the mistake or
is math wrong?????????????????
As A=B; A-B=0
(A+B)*(A-B)=(A-B)B
you cannot divide or cancel (A-B) from both sides as it is equal to 0
eg: 5x0=8x0
you cannot cancel 0 from both sides and say, 5=8!!
A2-B2 is not equal to (A-B)(A+B) Its A to the power 2 i.e A square minus Bsquare
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